Finding the Fourth Proportional to 9,656,436.97, 13,337,672.12 and 7,219,853.80
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Solution
The fourth proportional to 9,656,436.97, 13,337,672.12 and 7,219,853.80 is: 9,972,212.63
Step by Step Solution
- Step 1: Write the proportion equation
9,656,436.97 : 13,337,672.12 = 7,219,853.80 : x - Step 2: Convert to fraction form
9,656,436.97/13,337,672.12 = 7,219,853.80/x - Step 3: Cross multiply
9,656,436.97x = 13,337,672.12 × 7,219,853.80 - Step 4: Simplify right side
9,656,436.97x = 96,296,042,702,636.78 - Step 5: Solve for x
x = 96,296,042,702,636.78/9,656,436.97 - Step 6: Final answer
x = 9,972,212.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.